/*
 * Copyright (c) 2013 - Facebook.
 * All rights reserved.
 */

#include <iostream>
using namespace std;

namespace foo
{
    typedef struct { int a; int b;} my_record;
    int value() { return 5; }

    class Rectangle {
        int width, height;
    public:
        void set_values (int,int);
        int area (void);
    } ;
}

namespace bar
{
    const double pi = 3.1416;
    double value() { return 2*pi; }

    class Rectangle {
        int width, height;
    public:
        void set_values (int,int);
        int area (void);
    } rect;

}

int main () {

    int i;
    double j;

    foo::my_record x;

    bar::Rectangle rect1;
    rect1.set_values (3,4);

    foo::Rectangle rect2;
    rect2.set_values (7,10);


    x.a = 10;
    i = foo::value();
    i = bar::value();
    j = bar::pi;
    return 0;
}